at a meeting monday, mahmoud ahmadinejad accused the united states of backing what he called a fake regime in israel. that led to a walkout by israel's u.n. ambassador. >> also monday, a wide ranging interview with us, we ask him about the threat of an attack on iran's nuclear facilities and how his country would respond. >> would you retaliate against the united states if there's an attack by israel on iran? >> translator: well, by the principle of it, i don't take the zionist threats serious. >> they're bluffing? >> translator: we don't even take them into account. i would like to ask you, who's subservient to whom? the united states government to the zionists? which one is which? >> for a country ru you saw you don't take into account, you spend a lot of time talking about them, including here today in new york. you said israel has no historical roots in the middle east and the white house has called that statement by you disgusting, offensive, and outrageous. would you like to apologize? >> translator: do they have roots? if they have roots, then just say they have roots. we don't have